#loading-mask {
  position: fixed;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: #fff;
  user-select: none;
  z-index: 9999;
  overflow: hidden
}

.loading-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -100%)
}

.loading-dot {
  animation: antRotate 1.2s infinite linear;
  transform: rotate(45deg);
  position: relative;
  display: inline-block;
  font-size: 64px;
  width: 64px;
  height: 64px;
  box-sizing: border-box
}

.loading-dot i {
  width: 22px;
  height: 22px;
  position: absolute;
  display: block;
  background-color: #1890ff;
  border-radius: 100%;
  transform: scale(.75);
  transform-origin: 50% 50%;
  opacity: .3;
  animation: antSpinMove 1s infinite linear alternate
}

.loading-dot i:nth-child(1) {
  top: 0;
  left: 0
}

.loading-dot i:nth-child(2) {
  top: 0;
  right: 0;
  -webkit-animation-delay: .4s;
  animation-delay: .4s
}

.loading-dot i:nth-child(3) {
  right: 0;
  bottom: 0;
  -webkit-animation-delay: .8s;
  animation-delay: .8s
}

.loading-dot i:nth-child(4) {
  bottom: 0;
  left: 0;
  -webkit-animation-delay: 1.2s;
  animation-delay: 1.2s
}

@keyframes antRotate {
  to {
    -webkit-transform: rotate(405deg);
    transform: rotate(405deg)
  }
}

@-webkit-keyframes antRotate {
  to {
    -webkit-transform: rotate(405deg);
    transform: rotate(405deg)
  }
}

@keyframes antSpinMove {
  to {
    opacity: 1
  }
}

@-webkit-keyframes antSpinMove {
  to {
    opacity: 1
  }
}